I've bumped into this in a job listing a few weeks ago from https://litnerd.com/. https://www.figma.com/file/6rFlomXiaKyE4pVQ9O7Qod/engineering-topology?node-id=0%3A1. - Source: Hacker News / about 2 years ago

Just a heads up, but the website linked at the top (https://litnerd.com/) seems to be able to scroll for a while to the right, resulting in an empty page. - Source: Hacker News / almost 3 years ago

Hi HN, my name is Anisa and I am the founder of Litnerd (https://litnerd.com/), an online reading program designed to teach elementary school students in America how to read. There are 37M elementary school students in America. Schools spend $20B on reading and supplemental education programs. Yet 42% of 4th grade students are reading at a 1st or 2nd grade proficiency level! The #1 reason students aren’t reading?... - Source: Hacker News / almost 3 years ago

A youtube course will not be as helpful as really talking in front of people. At the end of speaking.io there is a great video on public speaking. Additionally, you can try courses on Udemy (there are a lot). Source: over 2 years ago

Ps - in addition to Seth Godin's advice, I got a lot of value out of this: https://speaking.io/. Source: about 3 years ago